Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12265070 | Sensor system and failure detection method for sensor system | Akitsugu Ikeda, Yuzo Higuchi, Satoru Abe | 2025-04-01 |
| 11156190 | Occlusion diagnosis device | Hiroki Ishikawa, Ikue HABU, Daijiro Nakamura | 2021-10-26 |
| 10928276 | Blockage detection device and blockage detection method | Hiroki Ishikawa, Ikue HABU, Daijiro Nakamura | 2021-02-23 |
| 10514010 | Fuel level estimation device and abnormality diagnostic apparatus for closed fuel vapor system | Hiroki Ishikawa, Daijiro Nakamura, Yuichiro Murata, Ikue HABU | 2019-12-24 |
| 9523318 | Air-fuel ratio control apparatus for internal combustion engine and method for controlling air-fuel ratio | Atsuhiro Miyauchi, Tooru Sekiguchi, Seiji Watanabe | 2016-12-20 |
| 9249712 | Air-fuel ratio control system for internal combustion engine | Kenichi Maeda, Atsuhiro Miyauchi, Seiji Watanabe, Soichiro Goto | 2016-02-02 |
| 9234473 | Air-fuel ratio control apparatus for internal combustion engine | Tooru Sekiguchi, Atsuhiro Miyauchi, Takeshi Aoki, Seiji Watanabe, Kazunori Kawamura | 2016-01-12 |
| 9057337 | Air-fuel ratio control system for internal combustion engine | Tooru Sekiguchi, Atsuhiro Miyauchi, Takeshi Aoki, Takashi Yanagiura, Seiji Watanabe | 2015-06-16 |
| 8983754 | Apparatus for controlling air-fuel ratio of internal-combustion engine | Seiji Watanabe, Tooru Sekiguchi, Hiroyuki Ando, Atsuhiro Miyauchi, Takeshi Aoki +1 more | 2015-03-17 |
| 8965662 | Abnormality determining apparatus for air-fuel ratio sensor | Takeshi Aoki, Atsuhiro Miyauchi, Seiji Watanabe, Tooru Sekiguchi, Hiroyuki Ando | 2015-02-24 |
| 8818690 | Air-fuel ratio control apparatus for internal combustion engine | Kenichi Maeda, Atsuhiro Miyauchi, Seiji Watanabe, Soichiro Goto | 2014-08-26 |
| 8794056 | Abnormality determination device for air-fuel ratio sensor | Takeshi Aoki, Atsuhiro Miyauchi, Hiroyuki Ando | 2014-08-05 |
| 8726637 | Air-fuel ratio control system for internal combustion engine | Tooru Sekiguchi, Atsuhiro Miyauchi, Takeshi Aoki, Seiji Watanabe | 2014-05-20 |
| 8725304 | Plant controller | Kenichi Maeda, Atsuhiro Miyauchi, Seiji Watanabe | 2014-05-13 |
| 8694227 | Air-fuel ratio control apparatus and air-fuel ratio control method for internal-combustion engine | Atsuhiro Miyauchi, Kenichi Maeda, Seiji Watanabe, Soichiro Goto | 2014-04-08 |